------------[ cut here ]------------ origin->pipe && origin->pipe != pipe WARNING: drivers/media/mc/mc-entity.c:785 at __media_pipeline_start+0x1eac/0x2440 drivers/media/mc/mc-entity.c:785, CPU#0: syz.0.1970/17008 Modules linked in: CPU: 0 UID: 0 PID: 17008 Comm: syz.0.1970 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__media_pipeline_start+0x1eac/0x2440 drivers/media/mc/mc-entity.c:785 Code: e3 e9 90 e3 ff ff 0f 1f 44 00 00 e8 be 86 41 fa 49 bf 00 00 00 00 00 fc ff df 4c 8b 6c 24 28 e9 93 fd ff ff e8 a5 86 41 fa 90 <0f> 0b 90 b8 ea ff ff ff e9 72 f4 ff ff e8 92 86 41 fa 90 0f 0b 90 RSP: 0018:ffffc90004c579c8 EFLAGS: 00010287 RAX: ffffffff87852e0b RBX: ffff88802c1a8ce8 RCX: 0000000000080000 RDX: ffffc900237eb000 RSI: 00000000000003ec RDI: 00000000000003ed RBP: ffff88802c1a8000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1f64550 R12: ffff88802c1a8bf8 R13: ffff88802c1a8cb0 R14: ffff88802cc23010 R15: dffffc0000000000 FS: 00007f8aa51e56c0(0000) GS:ffff888125bc4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3456ac CR3: 000000005c380000 CR4: 00000000003526f0 Call Trace: media_pipeline_start+0x51/0x70 drivers/media/mc/mc-entity.c:924 vimc_capture_start_streaming+0x7c/0x410 drivers/media/test-drivers/vimc/vimc-capture.c:248 vb2_start_streaming+0x11e/0x450 drivers/media/common/videobuf2/videobuf2-core.c:1783 vb2_core_streamon+0x2c0/0x4d0 drivers/media/common/videobuf2/videobuf2-core.c:2336 __video_do_ioctl+0x8b2/0xc70 drivers/media/v4l2-core/v4l2-ioctl.c:3135 video_usercopy+0x860/0x1430 drivers/media/v4l2-core/v4l2-ioctl.c:3477 v4l2_ioctl+0x190/0x1e0 drivers/media/v4l2-core/v4l2-dev.c:366 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8aa6fae159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8aa51e5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8aa7236090 RCX: 00007f8aa6fae159 RDX: 0000200000000100 RSI: 0000000040045612 RDI: 0000000000000003 RBP: 00007f8aa704506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8aa7236128 R14: 00007f8aa7236090 R15: 00007ffd5b3ea4e8